Far from it your skin constitutes the largest organ in your body, about 10% of you body mass. It evolved to function best under UVB. If you think about it is is odder to suggest that we should prevent any organ from working in the way it evolved to function best.
{quote]tanning booths/beds...
Bio-Tech Pharmacal, Inc. are the online source for 50,000iu D3 Use 1000iu/daily for each 25lbs weight. So 200lbs requires 8000iu/daily= one 50,000iu each sixth day. That is just to keep your status level and meet your daily needs. To catch up, that is to correct a deficiency state you therefore...
Human bodies work best with Vitamin D3 Cholecalciferol NOT the synthetic form that you get usually on RX or prescription from a doctor. Ergocalciferol Vit D2, the form usually available from doctors, increases the rate of turnover of vitamin D thus one month after taking D2 your vitamin D level...